About

Data Source: https://www.spc.noaa.gov/wcm/

This project is aimed to analyze the distribution of tornado occurrence in the US. By several visualizations, this project would explore details of all tornadoes across the US from 1950 to 2018.

Packages used in this project include:

flexdashboard

dplyr

tidyr

maps

ggplot2

gganimate

igraph

RColorBrewer

Visualizations

Row

As shown in the choropleth, states in the mid-south are affected by tornadoes more than the others.Texas has the most tornado occurrence in all times

Tornadoes that originate in Oklahoma, Texas, Alabama, Kansas, and Mississippi are more likely to affect neighbor states

Row

From this bar chart, it shows that tornadoes occurs mostly in spring times, in April, May, and June

Over time, tornado occurrence appears to increase. The number hits its top in 2004, and starts going down

Most of the tornadoes are not very large, as points cluster in the bottom left corner. The magnitudes are mostly smaller than 3